To delete additional swap, you can use the corresponding swapoff or swap -d command to disable the swap partition.

若要删除额外的交换空间，您可以使用对应的swapoff或swap - d命令来禁用该交换分区。

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swapon (and its sister swapoff) is used to start swap on files/devices, and display status of currently used swap areas.

swapon(它的同类swapoff)用于开启文件系统/设备上的交换分区，显示目前使用交换区的状态。

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